Here are today's top news headlines from Fool.com. Check back throughout the day as this list is updated, and follow us on Twitter at TMFBreaking.

Trade Deficit Improves 11% For March

Microsoft Completes Hotmail Upgrade, Has 400 Million Outlook.com Users

Duke Suspends New Nuclear Plans on Slowing Power Growth

Boeing's Order Book Shrinks

Google Fiber Picks 4th City: Shawnee, Kan.

Warren Buffett Says Economy Still Improving Slowly

Zipcar Expands Into 11 Airports

U.S. Department of Defense OKs BlackBerry 10 and Samsung Devices

Starbucks Shuffles Senior Leadership Team

U.S. Cellular to Get iPhone This Year

SEC Gives SoftBank Go-Ahead for Sprint Merger Vote

Spectra Energy Partners Picks Up Pipeline Assets

Regeneron Eyes 2 New Ophthalmology Treatments

U.S. Rig Count Increases by 10 This Week to 1,764

Nokia Teams With UNESCO to Help Teachers in Nigeria

Unemployment Rate Inches Down to 7.5%

Barnes & Noble Adding Google Play to Nooks

ExxonMobil Completes Pipeline Repair in Missouri

Tesla Revises Model S Financing Offer

Hill Aides: White House Recalculates Spending Cuts

App Downloads for Microsoft Windows Phone Increase 100%

Bailed-Out Portugal Plans Another $6.3 Billion in Cuts

Copper Surges 7% on Huge Pickup in Hiring